ISTWCMS-4569: Removing blank line to pass code sniffer checks.

src/Plugin/CKEditorPlugin/MathJaxPlugin.php

@@ -60,7 +60,6 @@ class MathJaxPlugin extends CKEditorPluginBase implements ContainerFactoryPlugin
     return new static($configuration, $plugin_id, $plugin_definition, $container->get('library.libraries_directory_file_finder'), $container->get('file_system'));
   }
 
-
   /**
    * {@inheritdoc}
    */